Finding the Fourth Proportional to 9,113.61, 12,575.34 and 5,133.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.61 : 12,575.34 = 5,133.96 : x
2. Step 2: Convert to fraction form
   9,113.61/12,575.34 = 5,133.96/x
3. Step 3: Cross multiply
   9,113.61x = 12,575.34 × 5,133.96
4. Step 4: Simplify right side
   9,113.61x = 64,561,292.55
5. Step 5: Solve for x
   x = 64,561,292.55/9,113.61
6. Step 6: Final answer
   x = 7,084.05